Google pagespeed insights

After the creation of the site by the other webmaster, the customer faced the problem of the optimization of the site and the speed of its download. The speed was 40 out of 100 for moyal and 10 out of 100 for pk.
Website for WordPress.
I was performed optimization of html/css/js code, optimization of images, compacting the site with the help of gzip. Also updated php on hosting from 5 to 7 versions.
The speed is 80/70.